feat: make collector health check timeout configurable (#1371)

When there's a big volume of traffic, collector can take longer to
respond to the health check

- add a new config option `HealthCheckTimeout` in `Collection`

---------

Co-authored-by: Tyler Helmuth <12352919+TylerHelmuth@users.noreply.github.com>

config/metadata/configMeta.yaml

@@ -1296,6 +1296,16 @@ groups:
         description: >
           The `HealthCheckTimeout` setting specifies the maximum duration allowed for the health checks of the collection subsystems to complete. If a subsystem does not respond within this timeout period, it will be marked as unhealthy. This timeout value should be set carefully to ensure that transient delays do not lead to unnecessary failure detection while still allowing for timely identification of actual health issues.
 
+      - name: HealthCheckTimeout
+        type: duration
+        valuetype: nondefault
+        firstversion: v2.8
+        default: 3s
+        reload: false
+        summary: Controls the maximum duration allowed for collection health checks to complete.
+        description: >
+          The `HealthCheckTimeout` setting specifies the maximum duration allowed for the health checks of the collection subsystems to complete. If a subsystem does not respond within this timeout period, it will be marked as unhealthy. This timeout value should be set carefully to ensure that transient delays do not lead to unnecessary failure detection while still allowing for timely identification of actual health issues.
+
   - name: BufferSizes
     title: "Buffer Sizes"
     description: >